/Engine/Source/Runtime/Engine/Classes/Engine/AssetManager.h
Adds or updates a Dynamic asset, which is a runtime-specified asset that has no on disk representation, so has noFAssetData. But it can have bundle state and a path.
True if added
virtual bool AddDynamicAsset ( const [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) & PrimaryAssetId, const [FSoftObjectPath](API\Runtime\CoreUObject\UObject\FSoftObjectPath) & AssetPath, const [FAssetBundleData](API\Runtime\CoreUObject\AssetRegistry\FAssetBundleData) & BundleData )